Answer: Option A) Parathyroid glands
Explanation:
The Parathyroid gland located in the neck region helps in the secretion of an hormone called Parathormone.
This hormone helps to raise the levels of calcium ions in the body, by preventing the loss of calcium ions through urine, and also preventing excess deposit of calcium ions in the bone, thus regulating bone density.
Answer:
I literally can't even read it. Please re post this zoomed in and I will help you.
Explanation:
Answer: The correct answer is A) Fertilization.
Fertilization is a process or event of fusion of two gametes ( also called reproductive cells that are haploid) that forms zygote, which is diploid cell. It is the first event in the formation of new individual.
The two haploid gametes are sperm ( male gamete) and egg ( female gamete), which are formed through spermatogenesis and ovulation respectively.
Thus, fertilization is the process that joins two haploid cells to form a diploid zygote.
Answer:
D
Explanation:
Because AB and C all are why a Fossil occur.
Answer:
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